diff options
Diffstat (limited to 'include/asm-arm26/thread_info.h')
| -rw-r--r-- | include/asm-arm26/thread_info.h | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/include/asm-arm26/thread_info.h b/include/asm-arm26/thread_info.h deleted file mode 100644 index 9b367ebe515..00000000000 --- a/include/asm-arm26/thread_info.h +++ /dev/null @@ -1,140 +0,0 @@ -/* - * linux/include/asm-arm26/thread_info.h - * - * Copyright (C) 2002 Russell King. - * Copyright (C) 2003 Ian Molton. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __ASM_ARM_THREAD_INFO_H -#define __ASM_ARM_THREAD_INFO_H - -#ifdef __KERNEL__ - -#ifndef __ASSEMBLY__ - -struct task_struct; -struct exec_domain; - -#include <linux/compiler.h> -#include <asm/fpstate.h> -#include <asm/ptrace.h> -#include <asm/types.h> - -typedef unsigned long mm_segment_t; - -struct cpu_context_save { - __u32 r4; - __u32 r5; - __u32 r6; - __u32 r7; - __u32 r8; - __u32 r9; - __u32 sl; - __u32 fp; - __u32 sp; - __u32 pc; -}; - -/* - * low level task data that entry.S needs immediate access to. - * We assume cpu_context follows immedately after cpu_domain. - */ -struct thread_info { - unsigned long flags; /* low level flags */ - int preempt_count; /* 0 => preemptable, <0 => bug */ - mm_segment_t addr_limit; /* address limit */ - struct task_struct *task; /* main task structure */ - struct exec_domain *exec_domain; /* execution domain */ - __u32 cpu; /* cpu */ - struct cpu_context_save cpu_context; /* cpu context */ - struct restart_block restart_block; - union fp_state fpstate; -}; - -#define INIT_THREAD_INFO(tsk) \ -{ \ - .task &tsk, \ - .exec_domain &default_exec_domain, \ - .flags 0, \ - .preempt_count 0, \ - .addr_limit KERNEL_DS, \ - .restart_block = { \ - .fn = do_no_restart_syscall, \ - }, \ -} - -#define init_thread_info (init_thread_union.thread_info) -#define init_stack (init_thread_union.stack) - -/* - * how to get the thread information struct from C - */ -static inline struct thread_info *current_thread_info(void) __attribute_const__; - -static inline struct thread_info *current_thread_info(void) -{ - register unsigned long sp asm ("sp"); - return (struct thread_info *)(sp & ~0x1fff); -} - -#define THREAD_SIZE PAGE_SIZE -#define task_pt_regs(task) ((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE - 8) - 1) - -extern struct thread_info *alloc_thread_info(struct task_struct *task); -extern void free_thread_info(struct thread_info *); - -#define thread_saved_pc(tsk) \ - ((unsigned long)(pc_pointer(task_thread_info(tsk)->cpu_context.pc))) -#define thread_saved_fp(tsk) \ - ((unsigned long)(task_thread_info(tsk)->cpu_context.fp)) - -#else /* !__ASSEMBLY__ */ - -#define TI_FLAGS 0 -#define TI_PREEMPT 4 -#define TI_ADDR_LIMIT 8 -#define TI_TASK 12 -#define TI_EXEC_DOMAIN 16 -#define TI_CPU 20 -#define TI_CPU_SAVE 24 -#define TI_RESTART_BLOCK 28 -#define TI_FPSTATE 68 - -#endif - -#define PREEMPT_ACTIVE 0x04000000 - -/* - * thread information flags: - * TIF_SYSCALL_TRACE - syscall trace active - * TIF_NOTIFY_RESUME - resumption notification requested - * TIF_SIGPENDING - signal pending - * TIF_NEED_RESCHED - rescheduling necessary - * TIF_USEDFPU - FPU was used by this task this quantum (SMP) - * TIF_POLLING_NRFLAG - true if poll_idle() is polling TIF_NEED_RESCHED - */ -#define TIF_NOTIFY_RESUME 0 -#define TIF_SIGPENDING 1 -#define TIF_NEED_RESCHED 2 -#define TIF_SYSCALL_TRACE 8 -#define TIF_USED_FPU 16 -#define TIF_POLLING_NRFLAG 17 -#define TIF_MEMDIE 18 - -#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) -#define _TIF_SIGPENDING (1 << TIF_SIGPENDING) -#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) -#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) -#define _TIF_USED_FPU (1 << TIF_USED_FPU) -#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) - -/* - * Change these and you break ASM code in entry-common.S - */ -#define _TIF_WORK_MASK 0x000000ff - -#endif /* __KERNEL__ */ -#endif /* __ASM_ARM_THREAD_INFO_H */ |